Incorporation by reference

Air Plan Approval; California; San Diego County; Reasonably Available Control Technology

The Environmental Protection Agency (EPA) is proposing to approve revisions to the San Diego Air Pollution Control District (SDAPCD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern SDAPCD's negative declarations for certain Control Techniques Guidelines (CTGs) as they apply to the 2008 and 2015 ozone national ambient air quality standards (NAAQS or ``standards'') reasonably available control technology (RACT) SIP. We are taking comments on this proposal and plan to follow with a final action.

Publication Date: 
Wednesday, April 13, 2022 - 4:00am

Determinations of Attainment by the Attainment Date, Extension of the Attainment Date, and Reclassification of Areas Classified as Serious for the 2008 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) proposes three actions pursuant to section 181(b)(2) of the Clean Air Act (CAA) related to seven areas classified as ``Serious'' for the 2008 ozone National Ambient Air Quality Standards (NAAQS). First, the Agency proposes to determine that one area attained the 2008 ozone NAAQS by the July 20, 2021, attainment date.

Publication Date: 
Wednesday, April 13, 2022 - 4:00am

Determinations of Attainment by the Attainment Date, Extensions of the Attainment Date, and Reclassification of Areas Classified as Marginal for the 2015 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA or Agency) is proposing three actions pursuant to section 181(b)(2) of the Clean Air Act (CAA) related to the attainment date for 31 areas classified as ``Marginal'' nonattainment for the 2015 ozone National Ambient Air Quality Standards (NAAQS). First, the Agency is proposing to determine that six areas attained the standard by the applicable August 3, 2021, attainment date. Second, the Agency is proposing to grant a 1-year attainment date extension for the Uinta Basin, Utah, nonattainment area.

Publication Date: 
Wednesday, April 13, 2022 - 4:00am

Air Plan Approval; Montana; 2015 Ozone NAAQS Interstate Transport Requirements

The Environmental Protection Agency (EPA) is approving a revision submitted by the State of Montana as meeting the Clean Air Act (CAA) requirement that each State Implementation Plan (SIP) contain adequate provisions to prohibit emissions that will significantly contribute to nonattainment or interfere with maintenance of the 2015 ozone National Ambient Air Quality Standards (NAAQS) in any other state. EPA is taking this action pursuant to the CAA.

Publication Date: 
Tuesday, April 12, 2022 - 4:00am

Air Plan Approval; South Dakota; Revisions to South Dakota Codified Law and Administrative Rules of South Dakota

With this direct final rule, the Environmental Protection Agency (EPA or the ``Agency'') is promulgating approval of South Dakota's submittal requesting that EPA recognize the merger of South Dakota's Department of Agriculture (DOA) with the Department of Environment and Natural Resources (DENR) to form the new Department of Agriculture and Natural Resources (DANR) and incorporate corresponding non-substantive revisions to the South Dakota Codified Law (SDCL) and the Administrative Rules of South Dakota (ARSD) into South Dakota's Implementation Plan.

Publication Date: 
Monday, April 11, 2022 - 4:00am

Approval and Promulgation of Implementation Plans; South Dakota; Revisions to South Dakota Codified Law and Administrative Rules of South Dakota

The Environmental Protection Agency (EPA or the ``Agency'') is proposing approval of South Dakota's submittal requesting that EPA recognize the merger of South Dakota's Department of Agriculture (DOA) with the Department of Environment and Natural Resources (DENR) to form the new Department of Agriculture and Natural Resources (DANR) and incorporate corresponding non-substantive revisions to the South Dakota Codified Law (SDCL) and the Administrative Rules of South Dakota (ARSD) into South Dakota's State Implementation Plan.

Publication Date: 
Monday, April 11, 2022 - 4:00am

Air Plan Approval; Wisconsin; Redesignation of the Wisconsin Portion of the Chicago-Naperville, Illinois-Indiana-Wisconsin Area to Attainment of the 2008 Ozone Standard

The Environmental Protection Agency (EPA) finds that the Chicago-Naperville, IL-IN-WI area (Chicago area) is attaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard) and, in response to a request from the Wisconsin Department of Natural Resources (Wisconsin or the State), is redesignating the Wisconsin portion of the area to attainment for the 2008 ozone NAAQS, because the State has met the statutory requirements for redesignation under the Clean Air Act (CAA).

Publication Date: 
Monday, April 11, 2022 - 4:00am

Air Plan Approval; Illinois; Infrastructure SIP Requirements for the 2012 PM2.5

The Environmental Protection Agency (EPA) is approving elements of a State Implementation Plan (SIP) revision submitted by the State of Illinois regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2012 annual fine particulate matter (PM<INF>2.5</INF>) and 2015 ozone National Ambient Air Quality Standards (NAAQS). Further, EPA is approving the infrastructure requirements related to Prevention of Significant Deterioration (PSD) for previous NAAQS.

Publication Date: 
Friday, April 8, 2022 - 4:00am

Air Plan Approval; Indiana, Ohio; Definition of Chemical Process Plants Under State Prevention of Significant Deterioration Regulations and Operating Permit Programs

The Environmental Protection Agency (EPA) is approving revisions to the State Implementation Plan (SIP) for Indiana and revisions to the operating permit program for Ohio. The revisions incorporate changes to the definition of ``chemical process plants'' under Indiana's Prevention of Significant Deterioration (PSD) regulations and under Ohio's operating permit program. EPA also provided an opportunity for public comment on similar changes to the definition of ``major stationary source'' in Ohio's PSD regulations that were approved into the SIP on October 28, 2014.

Publication Date: 
Thursday, April 7, 2022 - 4:00am

Air Plan Approval; Iowa; Determination of Attainment by the Attainment Date for the 2010 1-Hour Sulfur Dioxide Standard

The Environmental Protection Agency (EPA) is taking final action to determine that the Muscatine sulfur dioxide (SO<INF>2</INF>) nonattainment area attained the 2010 1-hour SO<INF>2</INF> primary national ambient air quality standard (NAAQS) by the applicable attainment date of October 4, 2018, based upon a weight-of-evidence analysis using available air quality information. Additional analysis of the attainment determination is provided in a Technical Support Document (TSD) included in the docket to this rulemaking.

Publication Date: 
Thursday, April 7, 2022 - 4:00am

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